<p>Let <i>F</i> be a field of zero characteristic. We define a dialgebra structure over the polynomial algebra <InlineEquation ID="IEq4"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="9_2025_2905_Article_IEq4.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="86" /> </InlineMediaObject> <EquationSource Format="TEX">\(F[x] \otimes F[x]\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi>F</mi> <mo stretchy="false">[</mo> <mi>x</mi> <mo stretchy="false">]</mo> <mo>⊗</mo> <mi>F</mi> <mo stretchy="false">[</mo> <mi>x</mi> <mo stretchy="false">]</mo> </mrow> </math></EquationSource> </InlineEquation>, and we give a complete classification of the Lie algebra of derivations <InlineEquation ID="IEq5"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="MediaObjects/9_2025_2905_IEq5_HTML.gif" Format="GIF" Height="21" Rendition="HTML" Resolution="120" Type="Linedraw" Width="128" /> </InlineMediaObject> </InlineEquation> and the space of diderivations <InlineEquation ID="IEq6"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="MediaObjects/9_2025_2905_IEq6_HTML.gif" Format="GIF" Height="21" Rendition="HTML" Resolution="120" Type="Linedraw" Width="143" /> </InlineMediaObject> </InlineEquation>. We also show that the results of this work are closely related to those obtained in Lin and Zhang (Commun Algebra 38(9):3417–3447, 2010) and Restrepo-Sánchez (Inmersión de dialgebras en dialgebras separables, adición de unidades barra y biderivaciones, Tesis de Maestría, Universidad de Antioquia, Medellin, 2010).</p>

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Dialgebra Structure of \(F[x]\otimes F[x]\), Derivations and Diderivations

  • Gabriel Gustavo Restrepo-Sánchez,
  • José Gregorio Rodríguez-Nieto,
  • Olga Patricia Salazar-Díaz,
  • Andrés Sarrazola-Alzate,
  • Raúl Velásquez

摘要

Let F be a field of zero characteristic. We define a dialgebra structure over the polynomial algebra \(F[x] \otimes F[x]\) F [ x ] F [ x ] , and we give a complete classification of the Lie algebra of derivations and the space of diderivations . We also show that the results of this work are closely related to those obtained in Lin and Zhang (Commun Algebra 38(9):3417–3447, 2010) and Restrepo-Sánchez (Inmersión de dialgebras en dialgebras separables, adición de unidades barra y biderivaciones, Tesis de Maestría, Universidad de Antioquia, Medellin, 2010).